Blades for scrapers



FIG. 1 is a perspective view of blades for scrapers showing my new design;

FIG. 2 is a front elevational view, the rear view being a mirror image thereof;

FIG. 3 is a side elevational view, the opposite side being a mirror image thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a top view thereof in use.

The broken lines in FIG. 6 depict environmental subject matter only and form no part of the claimed design. 

CLAIM I claim the ornamental design for blades for scrapers, as shown and described. 